Gentosha Inc. (株式会社幻冬舎, Kabushiki-gaisha Gentōsha) is a Japanese publisher, headquartered in Shibuya, Tokyo. Gentosha publishes manga magazine Comic Birz, Web comic magazines GENZO, SPICA, Comic MAGNA, literary magazines Lynx, papyrus, as well as business magazine GOETHE. Source: Wikipedia (en)